Granted Patent
Utility
US 6,399,170 · App. 08/997,871
Plastic closure with compression molded barrier liner
Inventors:
Mark R. Hock, David B. Riffer
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Dec 24, 1997
Inventors
Mark R. Hock
David B. Riffer
Assignee (at issue)
Owens-Illinois Closure Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.